// Copyright (C) 2012-2020 Codership Oy <info@codership.com>

/*!
 * Original Bob Jenkins' test implementation:
 * http://www.burtleburtle.net/bob/c/testspooky.cpp
 *
 * $Id$
 */

#include "gu_spooky_test.h"

#include "../src/gu_spooky.h"
#include "../src/gu_hexdump.h"

#include <inttypes.h>

#define BUFSIZE 512
static uint64_t const expected[BUFSIZE] = {
    0xa24295ec, 0xfe3a05ce, 0x257fd8ef, 0x3acd5217,
    0xfdccf85c, 0xc7b5f143, 0x3b0c3ff0, 0x5220f13c,
    0xa6426724, 0x4d5426b4, 0x43e76b26, 0x051bc437,
    0xd8f28a02, 0x23ccc30e, 0x811d1a2d, 0x039128d4,
    0x9cd96a73, 0x216e6a8d, 0x97293fe8, 0xe4fc6d09,
    0x1ad34423, 0x9722d7e4, 0x5a6fdeca, 0x3c94a7e1,
    0x81a9a876, 0xae3f7c0e, 0x624b50ee, 0x875e5771,
    0x0095ab74, 0x1a7333fb, 0x056a4221, 0xa38351fa,

    0x73f575f1, 0x8fded05b, 0x9097138f, 0xbd74620c,
    0x62d3f5f2, 0x07b78bd0, 0xbafdd81e, 0x0638f2ff,
    0x1f6e3aeb, 0xa7786473, 0x71700e1d, 0x6b4625ab,
    0xf02867e1, 0xb2b2408f, 0x9ce21ce5, 0xa62baaaf,
    0x26720461, 0x434813ee, 0x33bc0f14, 0xaaab098a,
    0x750af488, 0xc31bf476, 0x9cecbf26, 0x94793cf3,
    0xe1a27584, 0xe80c4880, 0x1299f748, 0x25e55ed2,
    0x405e3feb, 0x109e2412, 0x3e55f94f, 0x59575864,

    0x365c869d, 0xc9852e6a, 0x12c30c62, 0x47f5b286,
    0xb47e488d, 0xa6667571, 0x78220d67, 0xa49e30b9,
    0x2005ef88, 0xf6d3816d, 0x6926834b, 0xe6116805,
    0x694777aa, 0x464af25b, 0x0e0e2d27, 0x0ea92eae,
    0x602c2ca9, 0x1d1d79c5, 0x6364f280, 0x939ee1a4,
    0x3b851bd8, 0x5bb6f19f, 0x80b9ed54, 0x3496a9f1,
    0xdf815033, 0x91612339, 0x14c516d6, 0xa3f0a804,
    0x5e78e975, 0xf408bcd9, 0x63d525ed, 0xa1e459c3,

    0xfde303af, 0x049fc17f, 0xe7ed4489, 0xfaeefdb6,
    0x2b1b2fa8, 0xc67579a6, 0x5505882e, 0xe3e1c7cb,
    0xed53bf30, 0x9e628351, 0x8fa12113, 0x7500c30f,
    0xde1bee00, 0xf1fefe06, 0xdc759c00, 0x4c75e5ab,
    0xf889b069, 0x695bf8ae, 0x47d6600f, 0xd2a84f87,
    0xa0ca82a9, 0x8d2b750c, 0xe03d8cd7, 0x581fea33,
    0x969b0460, 0x36c7b7de, 0x74b3fd20, 0x2bb8bde6,
    0x13b20dec, 0xa2dcee89, 0xca36229d, 0x06fdb74e,

    0x6d9a982d, 0x02503496, 0xbdb4e0d9, 0xbd1f94cf,
    0x6d26f82d, 0xcf5e41cd, 0x88b67b65, 0x3e1b3ee4,
    0xb20e5e53, 0x1d9be438, 0xcef9c692, 0x299bd1b2,
    0xb1279627, 0x210b5f3d, 0x5569bd88, 0x9652ed43,
    0x7e8e0f8c, 0xdfa01085, 0xcd6d6343, 0xb8739826,
    0xa52ce9a0, 0xd33ef231, 0x1b4d92c2, 0xabfa116d,
    0xcdf47800, 0x3a4eefdc, 0xd01f3bcf, 0x30a32f46,
    0xfb54d851, 0x06a98f67, 0xbdcd0a71, 0x21a00949,

    0xfe7049c9, 0x67ef46d2, 0xa1fabcbc, 0xa4c72db4,
    0x4a8a910d, 0x85a890ad, 0xc37e9454, 0xfc3d034a,
    0x6f46cc52, 0x742be7a8, 0xe94ecbc5, 0x5f993659,
    0x98270309, 0x8d1adae9, 0xea6e035e, 0x293d5fae,
    0x669955b3, 0x5afe23b5, 0x4c74efbf, 0x98106505,
    0xfbe09627, 0x3c00e8df, 0x5b03975d, 0x78edc83c,
    0x117c49c6, 0x66cdfc73, 0xfa55c94f, 0x5bf285fe,
    0x2db49b7d, 0xfbfeb8f0, 0xb7631bab, 0x837849f3,

    0xf77f3ae5, 0x6e5db9bc, 0xfdd76f15, 0x545abf92,
    0x8b538102, 0xdd5c9b65, 0xa5adfd55, 0xecbd7bc5,
    0x9f99ebdd, 0x67500dcb, 0xf5246d1f, 0x2b0c061c,
    0x927a3747, 0xc77ba267, 0x6da9f855, 0x6240d41a,
    0xe9d1701d, 0xc69f0c55, 0x2c2c37cf, 0x12d82191,
    0x47be40d3, 0x165b35cd, 0xb7db42e1, 0x358786e4,
    0x84b8fc4e, 0x92f57c28, 0xf9c8bbd7, 0xab95a33d,
    0x11009238, 0xe9770420, 0xd6967e2a, 0x97c1589f,

    0x2ee7e7d3, 0x32cc86da, 0xe47767d1, 0x73e9b61e,
    0xd35bac45, 0x835a62bb, 0x5d9217b0, 0x43f3f0ed,
    0x8a97911e, 0x4ec7eb55, 0x4b5a988c, 0xb9056683,
    0x45456f97, 0x1669fe44, 0xafb861b8, 0x8e83a19c,
    0x0bab08d6, 0xe6a145a9, 0xc31e5fc2, 0x27621f4c,
    0x795692fa, 0xb5e33ab9, 0x1bc786b6, 0x45d1c106,
    0x986531c9, 0x40c9a0ec, 0xff0fdf84, 0xa7359a42,
    0xfd1c2091, 0xf73463d4, 0x51b0d635, 0x1d602fb4,

    0xc56b69b7, 0x6909d3f7, 0xa04d68f4, 0x8d1001a7,
    0x8ecace50, 0x21ec4765, 0x3530f6b0, 0x645f3644,
    0x9963ef1e, 0x2b3c70d5, 0xa20c823b, 0x8d26dcae,
    0x05214e0c, 0x1993896d, 0x62085a35, 0x7b620b67,
    0x1dd85da2, 0x09ce9b1d, 0xd7873326, 0x063ff730,
    0xf4ff3c14, 0x09a49d69, 0x532062ba, 0x03ba7729,
    0xbd9a86cc, 0xe26d02a7, 0x7ccbe5d3, 0x4f662214,
    0x8b999a66, 0x3d0b92b4, 0x70b210f0, 0xf5b8f16f,

    0x32146d34, 0x430b92bf, 0x8ab6204c, 0x35e6e1ff,
    0xc2f6c2fa, 0xa2df8a1a, 0x887413ec, 0x7cb7a69f,
    0x7ac6dbe6, 0x9102d1cb, 0x8892a590, 0xc804fe3a,
    0xdfc4920a, 0xfc829840, 0x8910d2eb, 0x38a210fd,
    0x9d840cc9, 0x7b9c827f, 0x3444ca0c, 0x071735ab,
    0x5e9088e4, 0xc995d60e, 0xbe0bb942, 0x17b089ae,
    0x050e1054, 0xcf4324f7, 0x1e3e64dd, 0x436414bb,
    0xc48fc2e3, 0x6b6b83d4, 0x9f6558ac, 0x781b22c5,

    0x7147cfe2, 0x3c221b4d, 0xa5602765, 0x8f01a4f0,
    0x2a9f14ae, 0x12158cb8, 0x28177c50, 0x1091a165,
    0x39e4e4be, 0x3e451b7a, 0xd965419c, 0x52053005,
    0x0798aa53, 0xe6773e13, 0x1207f671, 0xd2ef998b,
    0xab88a38f, 0xc77a8482, 0xa88fb031, 0x5199e0cd,
    0x01b30536, 0x46eeb0ef, 0x814259ff, 0x9789a8cf,
    0x376ec5ac, 0x7087034a, 0x948b6bdd, 0x4281e628,
    0x2c848370, 0xd76ce66a, 0xe9b6959e, 0x24321a8e,

    0xdeddd622, 0xb890f960, 0xea26c00a, 0x55e7d8b2,
    0xeab67f09, 0x9227fb08, 0xeebbed06, 0xcac1b0d1,
    0xb6412083, 0x05d2b0e7, 0x9037624a, 0xc9702198,
    0x2c8d1a86, 0x3e7d416e, 0xc3f1a39f, 0xf04bdce4,
    0xc88cdb61, 0xbdc89587, 0x4d29b63b, 0x6f24c267,
    0x4b529c87, 0x573f5a53, 0xdb3316e9, 0x288eb53b,
    0xd2c074bd, 0xef44a99a, 0x2b404d2d, 0xf6706464,
    0xfe824f4c, 0xc3debaf8, 0x12f44f98, 0x03135e76,

    0xb4888e7f, 0xb6b2325d, 0x3a138259, 0x513c83ec,
    0x2386d214, 0x94555500, 0xfbd1522d, 0xda2af018,
    0x15b054c0, 0x5ad654e6, 0xb6ed00aa, 0xa2f2180e,
    0x5f662825, 0xecd11366, 0x1de5e99d, 0x07afd2ad,
    0xcf457b04, 0xe631e10b, 0x83ae8a21, 0x709f0d59,
    0x3e278bf9, 0x246816db, 0x9f5e8fd3, 0xc5b5b5a2,
    0xd54a9d5c, 0x4b6f2856, 0x2eb5a666, 0xfc68bdd4,
    0x1ed1a7f8, 0x98a34b75, 0xc895ada9, 0x2907cc69,

    0x87b0b455, 0xddaf96d9, 0xe7da15a6, 0x9298c82a,
    0x72bd5cab, 0x2e2a6ad4, 0x7f4b6bb8, 0x525225fe,
    0x985abe90, 0xac1fd6e1, 0xb8340f23, 0x92985159,
    0x7d29501d, 0xe75dc744, 0x687501b4, 0x92077dc3,
    0x58281a67, 0xe7e8e9be, 0xd0e64fd1, 0xb2eb0a30,
    0x0e1feccd, 0xc0dc4a9e, 0x5c4aeace, 0x2ca5b93c,
    0xee0ec34f, 0xad78467b, 0x0830e76e, 0x0df63f8b,
    0x2c2dfd95, 0x9b41ed31, 0x9ff4cddc, 0x1590c412,

    0x2366fc82, 0x7a83294f, 0x9336c4de, 0x2343823c,
    0x5b681096, 0xf320e4c2, 0xc22b70e2, 0xb5fbfb2a,
    0x3ebc2fed, 0x11af07bd, 0x429a08c5, 0x42bee387,
    0x58629e33, 0xfb63b486, 0x52135fbe, 0xf1380e60,
    0x6355de87, 0x2f0bb19a, 0x167f63ac, 0x507224cf,
    0xf7c99d00, 0x71646f50, 0x74feb1ca, 0x5f9abfdd,
    0x278f7d68, 0x70120cd7, 0x4281b0f2, 0xdc8ebe5c,
    0x36c32163, 0x2da1e884, 0x61877598, 0xbef04402,

    0x304db695, 0xfa8e9add, 0x503bac31, 0x0fe04722,
    0xf0d59f47, 0xcdc5c595, 0x918c39dd, 0x0cad8d05,
    0x6b3ed1eb, 0x4d43e089, 0x7ab051f8, 0xdeec371f,
    0x0f4816ae, 0xf8a1a240, 0xd15317f6, 0xb8efbf0b,
    0xcdd05df8, 0x4fd5633e, 0x7cf19668, 0x25d8f422,
    0x72d156f2, 0x2a778502, 0xda7aefb9, 0x4f4f66e8,
    0x19db6bff, 0x74e468da, 0xa754f358, 0x7339ec50,
    0x139006f6, 0xefbd0b91, 0x217e9a73, 0x939bd79c
};

START_TEST (gu_spooky_test)
{
    uint8_t  buf[BUFSIZE];
    size_t i;

    for (i = 0; i < BUFSIZE; ++i)
    {
        uint32_t res;

        buf[i] = i+128;

        /* It looks like values for messages under bufSize are for the "short"
         * algorithm, incompatible with the real one. */
        if (i < _spooky_bufSize)
        { /* using 128-bit version */
            uint64_t h[2];
            gu_spooky_short (buf, i, h);
            res = (uint32_t)gu_le64(h[0]);
        }
        else
        { /* using 32-bit version */
            res = gu_spooky32 (buf, i);
        }

        if (res != expected[i])
        {
            ck_abort_msg("%zu: expected: 0x%.8lX, found: 0x%.8" PRIX32,
                         i, expected[i], res);
        }
    }
}
END_TEST

Suite *gu_spooky_suite(void)
{
  Suite *s  = suite_create("Spooky hash");
  TCase *tc = tcase_create("gu_spooky");

  suite_add_tcase (s, tc);
  tcase_add_test (tc, gu_spooky_test);

  return s;
}

